Is CVE-2003-0468 in the CISA KEV catalog?

No. CVE-2003-0468 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0468?

CVE-2003-0468 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2003-0468?

CVE-2003-0468 has an EPSS score of 2.38% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2003-0468?

Upgrade postfix on debian 11 to 1.1.12 or later.

CVE & CISA-KEV Catalog

CVE-2003-0468

MEDIUMEPSS 82th pctl

5.0

CVSS v2

NVD

Description

Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct "bounce scans" or DDos attacks of other hosts via an email address to the local host containing the target IP address and service name followed by a "!" string, which causes Postfix to attempt to use SMTP to communicate with the target on the associated port.

How to fix

Remediation Available

postfixDebian

Fixed in:1.1.12CVE-2003-0468

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.38%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

debian.org

Other references8

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.